Abstract

A novel impedance cardiograph event detection method using wavelet transform is proposed. When compared to the C and E points in the pressure–volume loop, the wavelet method performs significantly better than the traditional method ( P<0.05) in the B and X points detection even after the addition of 20% artificial noise into the test signal. Nevertheless, the SVs estimated by ICG are poorly correlated with values measured by the conductance catheter.

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